MedAssistAI/nginx.config at master · adanaamir/MedAssistAI · GitHub

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events {
    worker_connections 1024;
}

http {
    upstream medical_api {
        least_conn;
        server medical-api:8001;
    }

    upstream prefect_server {
        server prefect-server:4200;
    }

    # Rate limiting
    limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=predict_limit:10m rate=5r/s;

    # API Server
    server {
        listen 80;
        server_name localhost;

        # Security headers
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;

        # API endpoints
        location / {
            limit_req zone=api_limit burst=20 nodelay;

            proxy_pass http://medical_api;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;

            # Timeouts
            proxy_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # Prediction endpoint with stricter rate limit
        location /predict {
            limit_req zone=predict_limit burst=10 nodelay;

            proxy_pass http://medical_api;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;

            # Longer timeout for ML predictions
            proxy_connect_timeout 120s;
            proxy_send_timeout 120s;
            proxy_read_timeout 120s;
        }

        # Prefect UI (optional - remove if you don't want to expose)
        location /prefect/ {
            proxy_pass http://prefect_server/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;

            # WebSocket support for Prefect UI
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }

        # Health check endpoint
        location /health {
            access_log off;
            return 200 "healthy\n";
            add_header Content-Type text/plain;
        }
    }

    # HTTPS server (uncomment and configure SSL certificates)
    # server {
    #     listen 443 ssl http2;
    #     server_name your-domain.com;
    #
    #     ssl_certificate /etc/nginx/ssl/cert.pem;
    #     ssl_certificate_key /etc/nginx/ssl/key.pem;
    #     ssl_protocols TLSv1.2 TLSv1.3;
    #     ssl_ciphers HIGH:!aNULL:!MD5;
    #
    #     location / {
    #         proxy_pass http://medical_api;
    #         # ... same proxy settings as above
    #     }
    # }
}